Home / 3,896.24-5,373.83-2,480.15

Finding the Fourth Proportional to 3,896.24, 5,373.83 and 2,480.15

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Solution

The fourth proportional to 3,896.24, 5,373.83 and 2,480.15 is: 3,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.24 : 5,373.83 = 2,480.15 : x
  2. Step 2: Convert to fraction form
    3,896.24/5,373.83 = 2,480.15/x
  3. Step 3: Cross multiply
    3,896.24x = 5,373.83 × 2,480.15
  4. Step 4: Simplify right side
    3,896.24x = 13,327,865.20
  5. Step 5: Solve for x
    x = 13,327,865.20/3,896.24
  6. Step 6: Final answer
    x = 3,420.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.